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(ModeL) A. W. DIBFENDORF 85 P. H. MERRILL.

GULTIVATOR. No. 271,432. Patented Jan.30,1883.

WITNESSES INVBNTOR:

ATTORNEYS.

N, PETERS Pmwmhu n mr. Wilhi a UNITED STATES PATENT OFFICE.

AMENZO W. DIEFENDORF AND PETER H. MERRILL, ()F WYOCENA, WIS.

CULTIVATOR.

SPECIFICATION formingpart of Letters Patent No. 271,432, dated January 30, 1883.

Application filed September 22, 1882. (ModeL) I To all whom it may concern Be it known that we, AMENZO W. DIEFEN- DORF and PETER H. lVIERRILL, both of Wyocena, in the county of Columbia and State of Wisconsin, have invented a new and useful Improvement in Cultivators, of which the following is a full, clear, and exact description.

v responding parts in all the figures.

Figure l is a perspective view of a plow or cultivator beam having the attachments for connecting the plows according to our improved method. Fig. 2 is a side elevation of the beam and part of the spring employed in the connection. Fig.3 is a sectional elevation, and Fig. 4 is a front elevation of the stock by which the plows are connected to the beam.

We employ a stock, a, for connecting the plow or tooth to the beam b by bolting or keying the shank of the plow or tooth to the stock and pivoting the stock to the beam, the shank of the plow being placed in the groove (1 on the front side of the stock, and bolting or keying it through the slot 0, and the stock being pivoted to the lower end of the curved or other formed standardfof the plow-beam by the pivot g. The stock a has a recess, h, in the rear side for the head of the bolt or key by which the plow is fastened on, and at the upper end it has a cross-bar or yoke, t, that limits the forward swing of the plow, which is to be pressed forward and maintained in the working position by the strong leaf-spring j, clipped onto the beam and hearing at its lower end against the stock, said spring being sufliciently powerful to hold the plow to its work, but capable of yielding to let the plow swing back and escape any unusual obstruction too powerfuliy embedded to be displaced by the plows. ing to the end of the spring j.

Having thus described our invention, what we claim as new, and desire to secure by Letters Patent, is-

l. The stock (1, provided with the groove d on its front side, the '.-lot e, the recesses h kon its rear side, and the yoke t' at its upper end, and adapted to be pivoted to a plow or cultivator beam, and acted upon by a spring attached to said beam, substantially as herein shown and described.

2. The-combination, with the plow or cultivator beam bf, of the stock a, provided with the groove d, slote, recess h, groove is, and yoke i, and pivoted at its upper end to the said beam, and the spring j, secured to the beam and having its free end resting against the lower end of the stock, substantially as herein shown and described.

AMENZO W. DIEFENDORF. PETER HAUKET MERRILL.

Witnesses:

ADAH E. STANLEY, GEO. A. ORooKER.

lhe stock is grooved at 70 for a bear- 

